Clamp



FIGS. 1 and 8 are perspective views of a clamp showing our new design;

FIG. 2 is a top plan view thereof:

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a first end elevational view thereof;

FIG. 6 is a second end elevational view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a clamp, as shown and described. 